一起
1. (doing) together
noun (common) (futsuumeishi)
一块，一团，同类
2. one lump, one mixture, the same category
noun (common) (futsuumeishi)
相同的，完全相同的
3. the same, identical
nouns which may take the genitive case particle 'no'
noun (common) (futsuumeishi)
同时
4. (at) the same time
noun (common) (futsuumeishi)